Emerald production in the world is extremely rare. It is estimated that only one out of every one million beryl minerals is emerald, so emeralds are a millionth of a miracle of green gems. Compared with the rubies and sapphires we know well, the geological conditions of emerald growth are more complicated and special, and the output is much less than that of red and sapphire. The price is also more expensive than red and sapphire. Especially the emeralds with superior color and purity are even rarer. Therefore, emeralds have always been the special favor of the royal family for a long time. Seemingly calm, elegant, natural, but unattainable. The world's major jewelry brands are also often designed with emeralds to create luxury, retro, and the Queen's strong jewelry. Emerald is one of the most precious gemstones. In the eyes of Westerners, it is the king of emeralds. It worships as much as the worship of emeralds by the East. At present, the price of 1-4 carats of emeralds on the international market is 1000-20000 US dollars per carat, and the supply of high quality emeralds is still limited. In 1695, a huge emerald was discovered, weighing 217.80 carats. This legendary emerald was bought by a buyer for $220 million at the Christie's auction in London on September 28, 2001. Emeralds have been respected since ancient times, and the most famous emeralds are often collected by museums. The New York Museum of Natural History has exhibited a pure emerald cup belonging to the Emperor Jehangir of India. On the side of the show is "Patricia", one of the world's largest Colombian emerald rough stones, which weighs 632 carats. Bogotá Bank also collects five precious emerald roughs weighing between 220 and 1796 carats, and these brilliant emeralds are part of the Iranian national treasury, which is used to decorate the former crown of the former Queen Farah. According to records, the Iranian royal family has the most emerald treasures in the world, with thousands of beautiful emeralds in more than 50 carats. In the crown of Pahlavi, there is a piece of 100 carats of 65 carats and three 14 carats of emeralds. On the throne are set with 21 pieces weighing 35 to 90 carats, 4 pieces weighing 100 to 170 carats and a piece of about 225 carats of emerald. Any natural gemstone. Mainly depends on its reserves. The less the output, the more likely it is to appreciate. Emerald itself is very rare, so there is huge potential for appreciation, especially the quality of emeralds is more investment and collection value. Textile Machine Spare Parts,Weft Accumulator,Custom Weft Accumulator,Good Weft Accumulator shaoxing zhentu trading co;ltd , https://www.zhentutextile.com